I am done now... issue with Mk5 GT TDI :(

[lippyx]

Very long story, short!

I got a Mk5 GT TDI, MY2008 in Feb 2012, and I have had issues with it the day I drove off the forecourt! Firstly both rear tyres had flat spots (first thought to be wheel bearings), agreed I pay for 1, VW pay for the other. Then the turbo blew up, paid for by Warranty (which is a story in its self!). Then an exhaust sensor was replaced, again by warranty. This was all within a few months of owning the car! 

Then 3 months after buying it, the car's DPF and engine management light came on a few times, and the car wasn't running right. Firstly it stunk of burning oil, it would occasionally idle high (1000), and mostly, when it was idling, the whole car would shake. The only way I can describe it is if you had it in gear, and slowly take your foot off the clutch, its that feeling you get, just before it stalls. Sometimes its very faint, other times its quite violent. But the revs don't seem to alter.

I thought it was an issue with the DPF, and after its been in and out of VW (two different garages), one of them said the DPF was done with, and needed replacing, and the other one (that I bought it from) said the DPF is only 35% full, and its actually something to do with the manifold!! So, had the manifold replaced, at their cost, but it hasn't solved the problem, if anything, its made it worse!

I am totally done with this problem now!! I don't want to spend every week dropping the car off for them to look at it, and confirm their computer doesn't show any problems, and its running perfectly.... NO, its f'ing not!!

I have VW HQ on the case, who have been good, and checking what's going on, but I just want my car fixed, and not feel like its having an epileptic fit every time I am sitting at a junction, or waiting at traffic lights!

I have to once again, take the car back to VW, for them to investigate again, as they thought changing the manifold would have solved the problem.

Has ANYONE experienced this kind of problem? Is it the DPF? The car is used daily on motorways, and has 65k on the clock, and been serviced regularly at a VW garage.

Please help a girl, who is at the end of her tether, and slowly losing the will to live!!!   

[john87]

Your first port of call should be to get someone to scan the car for faults with VCDS 

See the VCDS / VAG COM Area in the 'Modifications and Technical Area' for someone in your area who would be happy to help out. If your car has a sensor-related issue, this should get you on the road to finding out what the problem is being caused by.

[lippyx]

I'm sure both VW garages have already "plugged it in" to a VCDS... well, I'd like to think they have! They certainly have told me "no faults were found"!

[lippyx]

Just been doing my research (unlike VW) and the words Dual Mass Flywheel have cropped up! Apparently, the lumpy idle is due to the DMF having play in it, and this would be why it doesn't affect the revs or show up on their electronic fault finder - Its an old fashioned MECHANICAL issue!

I am heading over to VW this afternoon, so will mention my finds then!!

On another note, apparently, the turbos on these cars have common faults (even though, when my one blew up, they told me it was very rare!!) and there was also re-call for an ECU upgrade.

[skard]

Only an inspection of the symptoms will help, but 65k with the same DMF then it'll be due a new one soon even if it isn't the fault now.

Replaced my 2.0 tdi one last year (70k) and this month on our 1.9 (86k). Heavy vibrations when they're ready to go.

Hope you get it fixed.

[skard]

You have the 170 version?

Enquire if it had the injector recall before anything gets done.

[Scottymon]

Doubt they will cover the DMF under warranty, isn't it classed a consumable like clutch / brakes / tyres etc.

As above, defo. check up on any recalls that could be causing issues, although VW usually do this as a matter of course.  VW will have a superior system to VCDS known as VAS, they will have used this... but it's always nice to check yourself for any recurring errors with VCDS.

We've just had a 2012 C30 in for idling issues... it was the ICV (Idle Control Valve).

[lippyx]

Yes, I have the 170 version. I will ask about the injector recall, as I'm sure I saw that mentioned on a forum somewhere.

With regards to the warranty, trust me, I will not be paying a penny! I have had issues with this car from day one, and been mucked about so much its the least they owe me! I did read on other forums that people were able to get their DMF changed on warranty as its a fault, rather than a wear n tear issue.

[GrayMK5GTI]

High idle and burning smell is DPF doing a Regen. Shaking may be down to injectors. Both common problems with the Mk5's PD170's 

Vw sorted those problems on the mk6 GTD engine

[Andy]

The turbo are a problem on the tDi and there are a lot been changed,if you are doing short journeys the dpf  won't have time to regeneration it self.As mentioned see if their is a recall on injectors

[lippyx]

High idle and burning smell is DPF doing a Regen. Shaking may be down to injectors. Both common problems with the Mk5's PD170's  

Vw sorted those problems on the mk6 GTD engine

Totally agree! I was told if the exhaust is coated in black soot, its either turbo or DPF issues. Turbo has been replaced, so that leaves the DPF. One garage says it needs replacing, but they won't touch it, as its not them I bought it from, but the garage I bought it from say its only 35% full. I was also told the DPF seems to be doing a regen all the time, hence the shaking feeling, and that they changed the design when they released the Mk6.

I have so lost the love for this car now   . I have lost count how many times I have taken it to VW, just for them to tell me its all OK, when its so not!

"Get a Golf" they said "...so reliable, best thing you'll do" Yeah right!! My 1998 Subaru Impreza was better behaved!

[lippyx]

The turbo are a problem on the tDi and there are a lot been changed,if you are doing short journeys the dpf  won't have time to regeneration it self.As mentioned see if their is a recall on injectors

I do 2x 1 hour journeys a day, covering over 20 miles each time on motorways, 5 days a week, that's surely enough, right

[Matto]

The turbo are a problem on the tDi and there are a lot been changed,if you are doing short journeys the dpf  won't have time to regeneration it self.As mentioned see if their is a recall on injectors

I do 2x 1 hour journeys a day, covering over 20 miles each time on motorways, 5 days a week, that's surely enough, right

I would say that this is enough to complete a regen but when they do one it never burns off all the soot. It slowly gets more blocked over time. I would suggest getting rid of it completely. One of the first things I did to mine after reading about the issues people were having.

But as others have mentioned it is definitely worth seeing if it has had the injector recall. If not it needs doing as this fault can potentially be very dangerous.

Have a read here: http://www.mk5golfgti.co.uk/forum/index.php/topic,35276.0.html

[paulw123]

have a read here

http://www.vwaudiforum.co.uk/forum/showthread.php?141943-DPF-info

The DPF needs 15mins to do a regen cycle, are you on the motorway that long?

I would say go for an hour on motorway, get it fully hot, then hold it in 3rd gear on rev limiter 20 seconds, watch for any crap being cleared out the exhaust, not a lot, just a puff maybe....

[lippyx]

have a read here

http://www.vwaudiforum.co.uk/forum/showthread.php?141943-DPF-info

The DPF needs 15mins to do a regen cycle, are you on the motorway that long?

I would say go for an hour on motorway, get it fully hot, then hold it in 3rd gear on rev limiter 20 seconds, watch for any crap being cleared out the exhaust, not a lot, just a puff maybe....

VW HQ advised me to keep the revs between 2 and 3k for 15 mins, so I have done this (keeping it in 4th gear, doing approx. 65mph on the motorway) and it didn't make a difference. I am easily on a motorway for 1/2, and its normally a straight through run, no stop starting!

I know the DPF does eventually fill up, but one of the garages are saying its only 35% full. I have looked into getting it removed, but don't want to do this, until this lumpy idle is sorted (if its not the DPF causing it) otherwise VW might say its my fault for removing DPF!

I will ask them about the recall on the injectors too, as they can sort that out too, whilst they are at it!!!